An herb-based additive with an attractive scent. Rotaugen can be used in any groundbait when fishing for roaches. Rotaugen is a mixture of different herbs giving it a very broad scent. This additive should be added to dry groundbait just before it is moistened. The additive can also be used to make hook baits such as maggots, casters and pellets more attractive. The recommended amount of additive is 200g to 4kg of groundbait.